gcc/ada/g-casuti.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --                       G N A T . C A S E _ U T I L                        --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --                     Copyright (C) 1995-2008, AdaCore                     --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
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  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  19 -- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
  20 -- Boston, MA 02110-1301, USA.                                              --
  21 --                                                                          --
  22 -- As a special exception,  if other files  instantiate  generics from this --
  23 -- unit, or you link  this unit with other files  to produce an executable, --
  24 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  25 -- covered  by the  GNU  General  Public  License.  This exception does not --
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  27 -- covered by the  GNU Public License.                                      --
  28 --                                                                          --
  29 -- GNAT was originally developed  by the GNAT team at  New York University. --
  30 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  31 --                                                                          --
  32 ------------------------------------------------------------------------------
  33
  34 --  Simple casing functions
  35
  36 --  This package provides simple casing functions that do not require the
  37 --  overhead of the full casing tables found in Ada.Characters.Handling.
  38
  39 --  Note: actual code is found in System.Case_Util, which is used internally
  40 --  by the GNAT run time. Applications programs should always use this package
  41 --  rather than using System.Case_Util directly.
  42
  43 with System.Case_Util;
  44
  45 package GNAT.Case_Util is
  46    pragma Pure;
  47    pragma Elaborate_Body;
  48    --  The elaborate body is because we have a dummy body to deal with
  49    --  bootstrap path problems (we used to have a real body, and now we don't
  50    --  need it any more, but the bootstrap requires that we have a dummy body,
  51    --  since otherwise the old body gets picked up.
  52
  53    --  Note: all the following functions handle the full Latin-1 set
  54
  55    function To_Upper (A : Character) return Character
  56      renames System.Case_Util.To_Upper;
  57    --  Converts A to upper case if it is a lower case letter, otherwise
  58    --  returns the input argument unchanged.
  59
  60    procedure To_Upper (A : in out String)
  61      renames System.Case_Util.To_Upper;
  62    --  Folds all characters of string A to upper case
  63
  64    function To_Lower (A : Character) return Character
  65      renames System.Case_Util.To_Lower;
  66    --  Converts A to lower case if it is an upper case letter, otherwise
  67    --  returns the input argument unchanged.
  68
  69    procedure To_Lower (A : in out String)
  70      renames System.Case_Util.To_Lower;
  71    --  Folds all characters of string A to lower case
  72
  73    procedure To_Mixed (A : in out String)
  74      renames System.Case_Util.To_Mixed;
  75    --  Converts A to mixed case (i.e. lower case, except for initial
  76    --  character and any character after an underscore, which are
  77    --  converted to upper case.
  78
  79 end GNAT.Case_Util;